# coding = gbk
#name = raw_input('name:')
#if name.endswith('yang'):
#	print 'welcome ,yuanyang'
#else:
#	print 'you have no root'
#
#while 1:
#	num = int(raw_input('number:'))
#	if 1 <= num <= 10:
#		print 'right'
#	else:
#		prunt 'wrong'
#for i in xrange(10):
#	print i,
from math import sqrt as fun
for n in range(99,80,-1):
	res = fun(n)
	if(res == int(res)):
		print 'the result is',res
		break
else:
	print 'didnt find it' 

